5-Chloro-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Chloro-5-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine
2-Chloro-6-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid
4-(Chloromethyl)-5-cyano-3-hydroxy-2-(trifluoromethoxy)pyridine